As Feldwebel Freud once noted, "Sometimes a cigarette is just a cigarette."
Now, the tobacco biz is probably why there were 42 different brands in Viet Nam era C-ration packs
The PX/BX system also carried all sorts of brands; ship's stores, too (even Bugler).
Was a part of culture that culture was part of. Not really that much different than our modern bottled water culture, really.
Military life certainly goes that way. There's probably a working translations for "Smoking Lamp is Lit; 5 minutes. Smoke'em if you gott'em. bumm'em if you don't" in every imaginable language